If you was surprised to see 10-cent microcontroller - Nyquest Technology NY8A051H pushes price expectations much, much further down: It's high volume pricing is just 1.5 cents, and it is currently the cheapest microcontroller in the world* (cheaper than Padauk, holder of previous record). I had to order whopping 20pcs as minimum order, and it was still under 1$. For these 1.5 cents you don't get much: 1k word of OTP memory and 48 bytes of SRAM, but this might be just enough for many simple appli...